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Topic: Jetex engine

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	Science Fair Projects - Jetex engine
		The Jetex engine was a type of solid-fuel rocket engine developed for use as a powerplant for model aircraft.
		The engine casing was made of aluminium and was reusable, new fuel pellets and ignition wick being a consumable that could be bought and used in the engine.
		Jetex was fairly popular among aeromodellers for some time, but by the 1970s was largely forgotten.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Jetex_engine (453 words)

	Jetex engine (Site not responding. Last check: 2007-11-05)
		Jetex engines were powered by a solid pellet of guanidine nitrate, which burnt to release variety of gases in copious volumes, and leaving no solid residue or ash.
		However, the fuel is more toxic and requires special handling to keep it dry and in working condition (the fuel is slightly deliquescent and will gradually absorb moisture from the atmosphere which quickly renders it inactive).
		As a result Jetex were often quite unreliable, failing to fire.
	www.punweb.com /article/Jetex_engine (343 words)

	Mods to Mk2 Astra (Site not responding. Last check: 2007-11-05)
		This is a good starting point for any engine since it'll free up the engine a bit, giving better responsivness and maybe a few BHP (sometimes a decent amount), depending on the particular engine.
		The engine speed and air flow rate are the primary input values, whilst air, oil and engine temperature are secondary inputs.
		Since the engine had covered 175K and I wanted to tune for more power by having a higher rev limit I decided that the time had come for a complete bottom end overhaul.
	www.tomstickland.co.uk /astra/mods2/engine/engine.htm (6332 words)

	universal parts
		When building a system it is important to purchase exhaust parts that give good damping effects and flow characteristics to obtain the best performance from the engine.
		The gases are removed efficiently therefore improving the performance of the engine.
		For engines with power output of 140 BHP plus, we would suggest a system made from 2,5" parts.
	www.jetex.de /en/universalteile.htm (250 words)

	jetex exhaust (Site not responding. Last check: 2007-11-05)
		It is essential that gas flow from the engine is unrestricted and flows smoothly along the whole length of the exhaust system.
		Where possible, Jetex exhausts are made from minimum 2" (50.8mm) bore size, and in many cases from 2.5" (63.5mm) pipework.
		Jetex Exhausts are made to fit a specific application.
	www.proven-products.co.uk /jetex_exhaust.htm (329 words)

	[No title]
		As most modelers know, the Jetex engines come in a variety of sizes, from the small Jetex 50 units which will fly a hand-launch glider sized affair, to the Jetex 150, which is used for Contest Rocket flying, lifting ships of about 30" span to thermal-hunting heights.
		The largest Jetex engine available is the "Scorpion", developing some six ounces of static thrust, and capable of flying a moderate-sized aircraft.
		Once the powered Jetex flights are at- tempted, the corrections for trim which might be required will be in the thrust- line of the Jetex engine itself, much as you might alter the thrustline of a conventional engine.
	jetex.org /cja/pages-more/article-drop_out-fm-6610.html (2135 words)

	Jetex.org: Plans - Jetex Job
		The Jetex is actually a rocket-type engine, since the oxygen required to support combustion is contained within a solid fuel charge which is ignited within the container.
		A pusher installation produces a sleek fuselage, with the small engine diameter of one inch fully cowled, provided cooling airflow over the unit is maintained.
		Remove it from the model, where it may be mounted either on a single screw or in a spring clip-both of which are furnished with the engine.
	www.jetex.org /models/plans/plans-air-100/article-plan-jetex_job-atp-4902.html (1155 words)

	Scooter Restorations - Jetex Carburettor
		Check and ensure that the carburettor is fitted with the float chamber in a perfectly vertical position and that both inlet manifold and carburettor are well secured to avoid air leaks.
		The adjustment of the slow running is carried out through 2 screws, one adjusts the position of the throttle, (fig.47 screw 11) and the other controls the quantity of the mixture which is formed at the exit of the slow running jet.
		Once this slow running is adjusted and by opening the throttle the engine tends to miss or stop, this indicates a weak mixture and screw 35 must therefore be loosened very slightly until this inconvenience is eliminated.
	www.scooterrestorations.com /Scripts/Workshopman/Jetex_carb.htm (270 words)

	SMALLnet post365
		There was a Jetex helicopter kit that used two Jetex engine on a crossbar (like a Bell helicopter flybar arrangement) and delta hinges on the blades -- so they would flap upward and de-pitch for the autorotating trip back to earth.
		I built a turboprop model using a Jetex engine to spin the turbine.
		It has occurred to us that maybe some of the problems that we have experienced with some of the engines that do not run up to par may be due to the lack of castor oil.
	www.eskimo.com /~smallnet/Archive/post365.html (4255 words)

	Welcome to ROJets - Fine Fiber Glass R/C Aircraft
		These engines can incorporate speed controls and multiple cylinders, and are quite capable of powering ligthtweight scale radio control aircraft.
		A recent development is the use of small jet turbine engines in hobbyist models, both surface and air.
		Model-scale turbines resemble simplified versions of turbojet engines found on commercial aircraft, but are in fact new designs (not based upon scaled-down pre-existing commercial jet engines.) The first hobbyist-developed turbine was developed and flown in the 1980s, but only recently has commercial production made turbines readily-available for purchase.
	www.rojets.com (3846 words)

	Model aircraft (Site not responding. Last check: 2007-11-05)
		A recent development is the use of small jet turbine engines in hobbyist models, both surface and air.) The first hobbyist-developed turbine was developed and flown in the 1980s, but only recently has commercial production made turbines readily-available for purchase.
		In the 1950s, a type of model rocket motor called the Jetex engine was quite popular.
		Ducted fans are popular with scale-models of jet-aircraft, where they mimic the appearance and feel of jet engines, as well as increasing the model's maximum airspeed.
	wiki-shorts.freestat.pl /4-319-Model_aircraft.html (767 words)

	Jetex - Jetex and related Motors
		When the jet is operating, cool air is drawn into the tube mouth and is expelled at the tail of the model along with the hot gases. This air not only cools the gases but contributes to thrust. Figures show that the augmenter will increase thrust from 20 to 30 per cent.
		Jetex Jetmaster augmenter tube kit, with the extension tube made in two parts that clip together [click image to see full-size color illustration]
		Billed as "the first practical replacement for rubber-band power", it was spun by the exhaust gases from the 50-size pellets burnt in the unit in front of the propellor. One of these sold on eBay in November 2002 for $170.50.
	www.jetex.org /cja/motors-accessories.html (168 words)

	Glossary of Aeromodelling and Model Aircraft terms for beginners to Radio Control flying. (Site not responding. Last check: 2007-11-05)
		An engine where the cylinders are set around a central crankshaft.
		A downwards tilt to the engine to counteract excessive wing lift.
		A main bulkhead in the fuselage to which the engine is attached.
	members.aol.com /bentleyflyers/glossary.html (2152 words)

	Radio-controlled aircraft at AllExperts
		After the engine is running, the platinum metal filament in the glow plug continues to glow, from a catalytic reaction with the methanol vapor present in all glow-engine fuels, and the battery can be removed.
		The reciprocating action of the cylinders applies torque to a crankshaft, which is the power-output of the engine.
		Rocket engines are sometimes used to boost gliders and sailplanes.
	en.allexperts.com /e/r/ra/radio-controlled_aircraft.htm (3800 words)

	Dubai Airshow
		The GP7200 turbofan engine is being developed by the GE-P&W Engine Alliance to provide exceptional reliability, minimize noise and emissions, and deliver low cost of ownership for the Airbus A380 aircraft.
		To achieve this, the GP7200 engine is derived from the proven experience of the PW4000 and GE90 ETOPS engines for high reliability and incorporates the latest proven technical advancements for superior performance and decreased environmental impact.
		Engine development testing is underway with engine certification expected in the third quarter of 2005.
	www.worldarcstudio.com /www.dubaiairshow.org/sponsors.html (246 words)

	Jetex Exhaust Back Boxes and Jetex Induction Kits from Venom Motorsport.
		These original "Deeptone" Jetex back boxes are made from T409 stainless-chromium steel, and are painted fl for a smooth finish.
		Jetex induction kits have been designed to replace the standard factory air box.
		This makes the engine sound more powerful and a little more aggressive, combine the filter with a performance exhaust system and the car will respond quicker and an increase in power of between 10 - 15% is common.
	www.venommotorsport.com /jetex_exhausts_back_boxes_filters_induction_kits.html (236 words)

	tingilinde: remember jetex?
		Jetex made a low power "rocket" motor that was cheap and safe.
		I'm the owner of that Jetex site and moderator of a complementary discussion group, Model Jet Plane, which is populated by a world-wide base of model airplane enthusiasts who fly small planes with a variety of different reaction (i.e.: rocket) motors.
		Jetex is, of course, the word that pops into most people's minds when they think of this sort of thing but most of the actual flying that get done these days is accomplished with a very small disposable cardboard tube motor made in the Czech Republic - the Rapier.
	tingilinde.typepad.com /starstuff/2003/10/remember_jetex.html (641 words)

	REMOTE CONTROL AIRCRAFT (A/C) FACTS AND INFORMATION
		A recent development is the use of small jet turbine and ducted fan engines in hobbyist models, both surface and air.
		Ducted fans are popular with scale planes of jet-aircraft, where they mimic the appearance and feel of jet engines, as well as increasing the model's maximum airspeed.
		Actual turbine engines are gas powered versions of the same general idea.
	www.aviationexplorer.com /remote_control_aircraft_AC_facts.htm (3211 words)

	Newsletter: October, 2004
		JETEX was the name of the tiny rocket engine for model planes - it wasn't the name of an aeroplane, as the text suggests.
		The Jetex engine was mounted in the fuselage at the point of balance, protruding down and rearwards.
		The Midlands Model Engineering Exhibition is to be held on the 16 to 21 October at the International Exhibition Centre, Donnington Park, near Derby, England.
	www.nevilshute.org /Newsletters/nl2004/nl100104.php (5878 words)

	Radio Controlled RC Cars, RC Planes, RC Boats, RC Motorcycle, RC Robots, and other Radio Controlled hobby Videos
		Both markets are characterized by small and lightweight models, where electric-power offers several key advantages over gas engines: greater efficiency, higher reliability, less maintenance, much less pollution {both air pollution and the layer of unburnt fuel that collects on the fuselage of IC powered aircraft after flying}, and more quiet flight.
		Increasingly popular variations include four-strokes, which appeared in modern form as early as 1976, and which usually use much less fuel {important for the higher cost of glow-fuel} due to the more efficient fuel-air handling of a four-stroke, and are much more easily quieted down with mufflers.
		Small, gas-powered engines, such as those used for weed wackers and chainsaws are becoming increasingly popular for giant scale models, which are typically considered to be 25% the size of the real plane, or larger.
	www.dpccars.com /photos/rc-car-plane-videos.htm (1380 words)

	Mobo Toys
		Interestingly the house next to the premises had been the residence of Charles Dickens when his parents were in the Marshalsea Debtor's Prison.
		Jetex, the Model Aircraft Engine business was purchased in 1956.
		Besides a range of Jet propelled engines they also produced model kits for aircraft and a plastic boats and cars for the Jetex engine.
	www.dspedalcarrestorations.com /mobo_toys.htm (1371 words)

	Model aircraft at AllExperts
		Model-scale turbines resemble simplified versions of turbojet engines found on commercial aircraft, but are in fact new designs (not based upon scaled-down pre-existing commercial jet engines.) The first hobbyist-developed turbine was developed and flown in the 1980s by Gerald Jackman in England, but only recently has commercial production made turbines readily-available for purchase.
		Ducted fans are propellers encased in a cylindrical housing or duct, designed to look like and fit in the same sort of space as a model jet engine but at a much lower cost.
		They are available for both electric and gas engines, although they have only become widely used with the rise of effective electric power for model aircraft.
	en.allexperts.com /e/m/mo/model_aircraft.htm (4667 words)

	carburetor box (Site not responding. Last check: 2007-11-05)
		is a company involved in developing carburettors for two-stroke engine driven vehicles e.g.
		Earlier (before 1996), Jetex used to develop about one or two models every year.
		However, now with a wider variety of two-wheeler models coming to India, the demand of the development team has gone up to about 4 to 6 models per year.
	www.protosystech.com /newhtml/jetex.html (438 words)

	Jetex Jets (Site not responding. Last check: 2007-11-05)
		At about that time a new type of engine appeared, a solid fuel rocket motor named 'Jetex'.
		During the war, having seen Vl flying bombs passing overhead, making a sort of burp-burp-burp-ing sound, (if the engine stopped find somewhere to hide quick) my brother and I tried to make a pulse jet engine.
		The engine had a rose petal valve at the end of the combustion chamber, made from steel shim.
	www.nadmes.org.uk /pages/features/jetex.asp (421 words)

	Jetex S-Type Air Filters, Performance Car Parts - Euro Performance
		The simplest and most cost-effective way of improving engine performance is to replace the standard paper filter with a high-flow Jetex replacement sports air filter.
		An addition to Jetex's induction kit range is the direct cold air filtration kit (DCAF), comprising an inverted cone filter and cold air feed that attaches directly to the end of the cone.
		Jetex S-Type filters are ideal for engines using carburettors or vertical injector units.
	www.europerformance.co.uk /tuning/jetex/Jetex_S-Type_Air_Filters.mhtml (439 words)

	Jetex Sports Catalysts
		This means that for most recent cars (from 1992 onwards) the law states that you must have a catalytic converter fitted for MOT purposes.
		They are ideal for road or track use, and are available as 100 cell or 200 cell units, to fit pipework ranging from 44mm to 70mm (3").
		They are also suitable for normally aspirated engines as well as turbo or supercharged engines.
	www.jetex.co.uk /website/sportscatalysts.php (535 words)

	SMALLnet post294
		There is information on the history and development of Jetex, technical data on nearly every engine ever made, a wealth of "how to" knowledge, and a myriad of Jetex model plans.
		I'm currently building a pusher with this engine and had to leave off the muffler, but he says it runs fine that way.
		I have no idea who made them, as they were in a batch of engines I purchased, but the design works as well as the throttle on a PAW 049.
	www.eskimo.com /~smallnet/Archive/post294.html (2503 words)

	Turbine Powered Boat Photos!!!!!!!
		I used to build and run rocket boats powered by big Jetex engines (remember them?) and they all worked once I got them trimmed right.
		The thrust line is an issue, the engine mounts are going to be move able, and we will have to play around on educated guess's.
		I plan to be able to move the fuel cells around as well as move the engine to get the thrust and cg correct.
	www.rcuniverse.com /forum/fb.asp?m=266837 (975 words)

	VWvortex Forums: 63.5mm (2.5") Stainless Exhaust for Mk2 16V Golf - Jetta from Sweden
		No it would be a big noise reduction difference but what I am saying is just replacing the rear muffler and not the complete system may not give you the noise reduction you may want.
		Jetex systems are very quiet but still throaty.
		Jetex will do it but it would be a custom order and we wouls have to presell 20 systems.
	forums.vwvortex.com /zerothread?id=2841869&postid=32522756 (1204 words)

	Model Airplanes - Home (Site not responding. Last check: 2007-11-05)
		Because the engine is so heavy, I needed to cut a separate hatch for locating the receiver and battery pack about 4 inches behind the trailing edge of the wing (didn't want to have to add dead weight just for balancing purposes).
		I had a Jetex 50 when I was a kid, and am waiting to get a good deal on one on eBay, also.
		Starting the inverted engine in the L-4 Grasshopper is a real pain because it requires turning the plane over to
	home.earthlink.net /~modelairplanes (1339 words)

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